[ts][webgl] Exposing the renderers in SceneRenderer.

spine-ts/build/spine-all.d.ts

@@ -1483,8 +1483,8 @@ declare module spine.webgl {
 		private shapes;
 		private shapesShader;
 		private activeRenderer;
-		private skeletonRenderer;
-		private skeletonDebugRenderer;
+		skeletonRenderer: SkeletonRenderer;
+		skeletonDebugRenderer: SkeletonDebugRenderer;
 		private QUAD;
 		private QUAD_TRIANGLES;
 		private WHITE;

spine-ts/build/spine-webgl.d.ts

@@ -1452,8 +1452,8 @@ declare module spine.webgl {
 		private shapes;
 		private shapesShader;
 		private activeRenderer;
-		private skeletonRenderer;
-		private skeletonDebugRenderer;
+		skeletonRenderer: SkeletonRenderer;
+		skeletonDebugRenderer: SkeletonDebugRenderer;
 		private QUAD;
 		private QUAD_TRIANGLES;
 		private WHITE;

spine-ts/build/spine-widget.d.ts

@@ -1452,8 +1452,8 @@ declare module spine.webgl {
 		private shapes;
 		private shapesShader;
 		private activeRenderer;
-		private skeletonRenderer;
-		private skeletonDebugRenderer;
+		skeletonRenderer: SkeletonRenderer;
+		skeletonDebugRenderer: SkeletonDebugRenderer;
 		private QUAD;
 		private QUAD_TRIANGLES;
 		private WHITE;

spine-ts/webgl/src/SceneRenderer.ts

@@ -39,8 +39,8 @@ module spine.webgl {
 		private shapes: ShapeRenderer;
 		private shapesShader: Shader;
 		private activeRenderer: PolygonBatcher | ShapeRenderer | SkeletonDebugRenderer = null;
-		private skeletonRenderer: SkeletonRenderer;
-		private skeletonDebugRenderer: SkeletonDebugRenderer;
+		skeletonRenderer: SkeletonRenderer;
+		skeletonDebugRenderer: SkeletonDebugRenderer;
 		private QUAD = [
 			0, 0, 1, 1, 1, 1, 0, 0,
 			0, 0, 1, 1, 1, 1, 0, 0,